Home / 99,303.22-148,908.01-36,078.76

Finding the Fourth Proportional to 99,303.22, 148,908.01 and 36,078.76

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Solution

The fourth proportional to 99,303.22, 148,908.01 and 36,078.76 is: 54,101.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,303.22 : 148,908.01 = 36,078.76 : x
  2. Step 2: Convert to fraction form
    99,303.22/148,908.01 = 36,078.76/x
  3. Step 3: Cross multiply
    99,303.22x = 148,908.01 × 36,078.76
  4. Step 4: Simplify right side
    99,303.22x = 5,372,416,174.47
  5. Step 5: Solve for x
    x = 5,372,416,174.47/99,303.22
  6. Step 6: Final answer
    x = 54,101.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.